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rcu: Use rcu_callback_t in call_rcu*() and friends

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As we now have rcu_callback_t typedefs as the type of rcu callbacks, we
should use it in call_rcu*() and friends as the type of parameters. This
could save us a few lines of code and make it clear which function
requires an rcu callbacks rather than other callbacks as its argument.

Besides, this can also help cscope to generate a better database for
code reading.

Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Boqun Feng 2015-07-29 13:29:38 +08:00 • committed by Paul E. McKenney
parent 84778472e1
commit b6a4ae766e
10 changed files with 21 additions and 21 deletions
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10
include/linux/rcupdate.h
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@ -160,7 +160,7 @@ void do_trace_rcu_torture_read(const char *rcutorturename,
* more than one CPU).
*/
void call_rcu(struct rcu_head *head,
void (*func)(struct rcu_head *head));
rcu_callback_t func);
#else /* #ifdef CONFIG_PREEMPT_RCU */
@ -191,7 +191,7 @@ void call_rcu(struct rcu_head *head,
* memory ordering guarantees.
*/
void call_rcu_bh(struct rcu_head *head,
void (*func)(struct rcu_head *head));
rcu_callback_t func);
/**
* call_rcu_sched() - Queue an RCU for invocation after sched grace period.
@ -213,7 +213,7 @@ void call_rcu_bh(struct rcu_head *head,
* memory ordering guarantees.
*/
void call_rcu_sched(struct rcu_head *head,
void (*func)(struct rcu_head *rcu));
rcu_callback_t func);
void synchronize_sched(void);
@ -274,7 +274,7 @@ do { \
* See the description of call_rcu() for more detailed information on
* memory ordering guarantees.
*/
void call_rcu_tasks(struct rcu_head *head, void (*func)(struct rcu_head *head));
void call_rcu_tasks(struct rcu_head *head, rcu_callback_t func);
void synchronize_rcu_tasks(void);
void rcu_barrier_tasks(void);
@ -1065,7 +1065,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void)
#define __kfree_rcu(head, offset) \
do { \
BUILD_BUG_ON(!__is_kfree_rcu_offset(offset)); \
kfree_call_rcu(head, (void (*)(struct rcu_head *))(unsigned long)(offset)); \
kfree_call_rcu(head, (rcu_callback_t)(unsigned long)(offset)); \
} while (0)
/**